Base | Representation |
---|---|
bin | 1011101101111… |
… | …0011011001101 |
3 | 10102110212000112 |
4 | 2323132123031 |
5 | 100040124144 |
6 | 4513205405 |
7 | 1134505325 |
oct | 273363315 |
9 | 112425015 |
10 | 49145549 |
11 | 25817862 |
12 | 14560865 |
13 | a24950b |
14 | 6754285 |
15 | 44ab99e |
hex | 2ede6cd |
49145549 has 8 divisors (see below), whose sum is σ = 51492672. Its totient is φ = 46816000.
The previous prime is 49145531. The next prime is 49145563. The reversal of 49145549 is 94554194.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 49145549 - 216 = 49080013 is a prime.
It is a super-2 number, since 2×491455492 = 4830569973022802, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (49145519) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1517 + ... + 10029.
It is an arithmetic number, because the mean of its divisors is an integer number (6436584).
Almost surely, 249145549 is an apocalyptic number.
It is an amenable number.
49145549 is a deficient number, since it is larger than the sum of its proper divisors (2347123).
49145549 is a wasteful number, since it uses less digits than its factorization.
49145549 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8787.
The product of its digits is 129600, while the sum is 41.
The square root of 49145549 is about 7010.3886482848. The cubic root of 49145549 is about 366.2925314134.
It can be divided in two parts, 49145 and 549, that added together give a palindrome (49694).
The spelling of 49145549 in words is "forty-nine million, one hundred forty-five thousand, five hundred forty-nine".
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